chore(test): make it easier to debug failures in SettingsTest

[igorbernstein2]

Currently it's really difficult to debug failures in SettingsTest. If something goes out sync it just tells you the expectation is is unmet. This pr will tell you which attribute path is broken

[codecov]

Codecov Report

Merging #994 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #994   +/-   ##
=========================================
  Coverage     78.66%   78.66%           
  Complexity     1167     1167           
=========================================
  Files           204      204           
  Lines          5152     5152           
  Branches        413      413           
=========================================
  Hits           4053     4053           
  Misses          925      925           
  Partials        174      174

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[vam-google]

I don't really understand what is going on here, but it is test-only and looks safe, so LGTM =)

[igorbernstein2]

Yea, this test is overly complicated. But I didn't want to rewrite it, just needed to get reasonable error messages so that I could finish #993